WORMS. TESTACEA. 68. Mytilus. 293 
.‘'WiVz,;. shgu fmooth blackiOi, obtufe at the fmaller end and rounded 
at the other ; one fide angular near the beaks, 
Tennant. Brit. Zool. iv. tah, (tth.fig, 77. 
Do 7 ioa:ari*s Brit- Shells, i- tah, aj* 
DaCoJia Brit conch, t. 15./. 5. Barhut. t, II./. 7. 
Mull. Zeol. Dan. 1. tab. 53./. 2—3, 
Lifter, t. 359 /. 198. Aetans jeneg. i./. i;./. 1. 
Argennj. conch, tab. 22. C. Rumpf. Muf. tab. 46, B, C, D 
Gualt. tefi. tab. 91. H Knorr Tergti. 4. r. 15./. 3. 
Klein oftr.t. g./Z'^. t. Ii./l 67. 
Chemtt. conch, 8./. 85. /I 757 — 760. 
2. Lifer conch, t. 356./. I94« 
Klein of r. 12, 7^, 79 * 
3, Lifer conch, tab. 1057./. 5 - . ■ _ . , 
Inhabits European American and Indian Seas, adheiing tO Fuel aiiij 
Zoophytes: 6-7 inches long and nearly 3 broad. 
Sto/bluelfli tinder the (kin or with a mixture 01 white, fometiines 
white or yellowilh with red rays, or half chefnut and white ; 
beaks tumid oblong; the front liriatc ; hind-pa« prominent ; 
hinge near the beaks’: the fijfi red or orange and eatable. 
■HSneus. Shell ovate very brittle and tranfverfely wrinkled: the anr 
teridr end coinprelTed, the other rounded; hinge lateral, 
Tennant Brit. Zool. iv. tab. (fj.fig, 7^. 
Donowa^s Brit. Shells, ii. tah. 35* 
Lifer conch, tab. 156. An, Angl. app, t. t.f^ zg. 
Gualt tejl. tab. 7. F. Schrast. Eliijc. tab. 3./, i. 
Argcswilh conch, I . tah. 24 pg 5 > 6, 7 > ' * • 
Chemn. conch. 8, tab. 83./. 762. 
2. Radiate. Lifter conch, fab. ISS'/"*®" 
3. Lifter conch, tab. 1 50./. 5 ? ^ . j 
Found frequently in Rivers and Ponos; 2—5 inches broad an^, 
nearly 3 long : Jhell deep, cotered with .a greenilh flein, under 
Which it is tranfverfely wrinkled, ochraceous or varied, wi:h 
bright brown and fometimes radiate : within white o’pakc anv* 
often rough with Imall pearls : beaks minute retroyerted and 
^ connivent. 
^’“^linus Shell oval, a little comprelTed, very brittle and feinitranf, 
parent, with a membranaceous margin: beaks decu- 
ticated. 
Pennant Brit.ZooL iv. tab. Cl'S. Jig. 79. 
Lijler. tab. 153. Af. 8. Klein ojtr. t. 9. f. z 6 . 
Gualt. test. tab. 7. E. Schrent. Flu/c, tab. s.fig. 2, 3 - ' 
Argenv. conch. I. tab. Zs^.fig- l> z. Zoom. t. 8 .f. 8 — 11. 
Tetim. Gazoph, tab. 93. jig. 8, 9. 
Chemn, conch. 8. tah. 86. fig. 763. 
2. Lister conch, tab. 154. ftg. 9. 
3 - Lifer conch, tab, 150. /Tg'. 6 ? 
Jphabits 
